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Finding the Fourth Proportional to 202,219.80, 303,336.94 and 75,847.20

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Solution

The fourth proportional to 202,219.80, 303,336.94 and 75,847.20 is: 113,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,219.80 : 303,336.94 = 75,847.20 : x
  2. Step 2: Convert to fraction form
    202,219.80/303,336.94 = 75,847.20/x
  3. Step 3: Cross multiply
    202,219.80x = 303,336.94 × 75,847.20
  4. Step 4: Simplify right side
    202,219.80x = 23,007,257,555.57
  5. Step 5: Solve for x
    x = 23,007,257,555.57/202,219.80
  6. Step 6: Final answer
    x = 113,773.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.